Stark USA 35104 21pc SAE Professional truck industrial 1"dr Jumbo Impact Sockets

From trucks and tractors to heavy equipment and large machinery, big service and repair jobs need the 1"-inch Drive Socket Set. These premium heated-treated CrMo Corrosion resistant black phosphate deliver superior performance. Deep broach offers the length to reach over threaded shafts and into recesses. High-torque, 6-point design contacts and grips the stronger flat sides of fastener head, not the weaker corners, to prevent stripping or round-off under extreme stress Feature: Our innovative 6 point flank drive holds onto fasteners and prevents any rounding off corners. This means your fasteners are protected and so are your sockets Unique design grips the flat sides of fasteners rather than the corners to offer security and prevent stripping/ rounding off of bolts High-contrast visibility permanent laser etched size markings are easy-to-read in low light for easy retrieval & identification Wide range of socket sizes to fit multiple applications including (16) SAE socket sizes S